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Forums13
Topics7,385
Posts40,939
Members10,040
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Most Online3,137
Apr 9th, 2026
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Joined: Dec 2024
Posts: 4
stranger
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stranger
Joined: Dec 2024
Posts: 4 |
I have a Tac 32 that's ups unit has to be manually turned on ever time to fire up the controller after a power loss.
I tried replacing batteries in ups unit with no change.
Was wondering if anyone has experienced this problem before.
Thanks for the help!
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Joined: Aug 2017
Posts: 579 Likes: 6
addict
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addict
Joined: Aug 2017
Posts: 579 Likes: 6 |
So it turns on but then shuts itself off later? So when power goes out you have to re turn on?
Id check and replace batteries first if not then replace the ups.
Voltage testing the batteries is a bad test. You must load test the batteries. A car battery load tester is cheap and extremely effective for this. The carbon pile kind with the switch you press and hold after clipping on the battery with the analog voltmeter on the front
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Joined: Dec 2024
Posts: 4
stranger
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stranger
Joined: Dec 2024
Posts: 4 |
We replaced the batteries with no change. The next thing we are going to try is to replace the stby2 relay and hope that fixes it.
The ups seems to work fine. Just when the power is returned to the controller due to a power outage or cycling of power the ups unit does not want to fire up. You have to manually turn the unit on.
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Joined: Jun 2023
Posts: 29
Another Helper
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Another Helper
Joined: Jun 2023
Posts: 29 |
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Joined: Dec 2015
Posts: 1,766 Likes: 11
ElevatorPractitioner
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ElevatorPractitioner
Joined: Dec 2015
Posts: 1,766 Likes: 11 |
That’s normal… There is no circuit to make the UPS turn on when you turn on the disconnect. When you turn off a TK hydro with a UPS you have to manually turn the UPS off or it’ll beep saying no power. Then when you turn on the disconnect you have to turn on the UPS to put power to the controller.
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Joined: Aug 2017
Posts: 579 Likes: 6
addict
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addict
Joined: Aug 2017
Posts: 579 Likes: 6 |
Makes sense. The otis units and older dmcs you have to go to the machine room and turn a keyswitch after the powers out to activate battery lowering
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Joined: Mar 2016
Posts: 270 Likes: 2
Elevator guy
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Elevator guy
Joined: Mar 2016
Posts: 270 Likes: 2 |
All my 32s fire the ups back on, what would you do for a mrl then?
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Joined: Dec 2015
Posts: 1,766 Likes: 11
ElevatorPractitioner
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ElevatorPractitioner
Joined: Dec 2015
Posts: 1,766 Likes: 11 |
I don’t know I’ve never seen one
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Joined: Mar 2016
Posts: 270 Likes: 2
Elevator guy
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Elevator guy
Joined: Mar 2016
Posts: 270 Likes: 2 |
Consider yourself lucky, you have to run it on the recovery pump at 1 to 2 fpm till you can access the cartop and get behind the controller to the ups.
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Joined: Dec 2015
Posts: 1,766 Likes: 11
ElevatorPractitioner
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ElevatorPractitioner
Joined: Dec 2015
Posts: 1,766 Likes: 11 |
Oh I do. California is not so bad.
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Joined: Apr 2020
Posts: 520 Likes: 2
addict
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addict
Joined: Apr 2020
Posts: 520 Likes: 2 |
Dirt, are there no MRL's of any kind in California?
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Joined: Dec 2015
Posts: 1,766 Likes: 11
ElevatorPractitioner
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ElevatorPractitioner
Joined: Dec 2015
Posts: 1,766 Likes: 11 |
No literal MRLs. We do have machines in the hoistway but still has to be at least a closet for the controller and drive. No drives in the hoistway, controllers in the jam, and no MRL hydros.
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Joined: Apr 2020
Posts: 520 Likes: 2
addict
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addict
Joined: Apr 2020
Posts: 520 Likes: 2 |
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Joined: May 2025
Posts: 3
stranger
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stranger
Joined: May 2025
Posts: 3 |
InDirt, that almost makes me want to move to Cali. Almost.....
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HW PM
by Chris, January 13
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